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17753-21 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 17753-21 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6680-01-484-0097, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
17753-21
NSN: 6680-01-484-0097
FSC: 6680
CAGE: 19857 — THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. (USA)
SPECIFICATIONS
Part Number17753-21
NSN6680-01-484-0097
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 17753-21 TITLE COMPONENT PN 17753-21 MFR 17753-21
KEY FEATURES
•
CURRENT TYPE: AC
•
FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
•
MOUNTING METHOD: HOLE
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT TYPEAC
SPECIAL FEATURESITEM NAME PER MANUFACTURER: LIQUID LEVEL CONTROL SERIES RESISTANCE SENSORS(LOW WATER DETECT LOGIC); TERMINATIONS: 1/4" X .032" MALE FAST-ONS; MOUNTING: 4-.141" DIAMETER HOLES; OPERATING TEMP: 0 DEGC TO 70 DEGC; SENSING VOLTAGE: 20 VAC, MAXIMUM RMS; OUTPUT RATING: 5 AMP. RESISTIVE AT 120 VAC 100MA AT 5 VDC MIN. LOAD CURRENT VDC
END ITEM IDENTIFICATIONELECTRIC WATER HEATER, MODEL 17753, 6 GALLON CAPACITY, 9 KW, 440 VOLT, 3 PHASE, 60 HZ
OVERALL LENGTH3.370 INCHES NOMINAL IN
OVERALL WIDTH2.500 INCHES NOMINAL IN
OVERALL HEIGHT1.620 INCHES NOMINAL IN
FREQUENCY RATING50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
MOUNTING METHODHOLE
VOLTAGE RATING120.0 VOLTS NOMINAL
MEDIA FOR WHICH DESIGNEDWATER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
17753MInterchangeable
interchangeable cross-reference
interchangeable
17753Interchangeable
interchangeable cross-reference
interchangeable
984638-1CInterchangeable
interchangeable cross-reference
interchangeable
100A/90WM/120VInterchangeable
interchangeable cross-reference
interchangeable
100A-90A/EWInterchangeable
interchangeable cross-reference
interchangeable
17753-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17753-21?
17753-21 is a 17753-21.
What parts can replace 17753-21?
There are 14 known substitutes for 17753-21: 17753M, 17753, 984638-1C and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17753-21?
17753-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6680-01-484-0097. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026